The earth's oceans have a salinity of approximately 3.5% while the Dead Sea has a salinity of approximately ___.

a. 85%-90%

b. 36%-37%

c. 30%-35%

d. 13%-20%

Compared with the amount of ice that existed during the last glacial maximum, how much exists today?

Compare and contrast relative versus absolute dating as they are used to study rocks.

Is not an abiotic factor in ecosystems: select one: a. rain b. shade c. sunlight d. mushrooms?

The coriolis effect refers to a change in direction caused by

Which are statements that are true about ecosystems? Hunters have a part in balancing the earth's ecosystems. In a healthy ecosystem, the removal of one organism will have little effect on the rest of the ecosystem.

In Germany, many of the trees in the forests are dying. This is because the waxy outer coating on their tree leaves is being damaged by A) drought. B) acid rain. C) biomediation. D) locust swarms.

How does soil, industries and transport affect population distribution in South east Asia?

Which type of sediment is made up mainly of the shells of diatoms and radiolarians?

What is it called when both alleles are expressed in offspring

What is a example of a tourism?